7Artisans 15mm f4 - L-Mount heater each lens functions solely with

each lens functions solely with the use of the X1D-50c’s electronic shutter feature

Newly developed lens combines time-proven optics and the latest lens coating

On its own

you get access to super-efficient cloud workflows

the cage provides strap slot on the side for carry strap

7Artisans 15mm f4 - L-Mount heater each lens functions solely withThe 7Artisans 15mm f4 features excellent optical performance, designed with 2 non spherical, 3 low dispersion, and 5 high refractive index lenses. Approximate zero chromatic aberration means you no longer have to worry about star trailing in astrophotography. Sharpness is unbeatable: With a 9 group, 13 element (including 2 non spherical) lens structure, the center and edge quality of your photos will be equally outstanding The 15mm F4 ultra wide angle